Precautionary security maintenance

Our apps are offline today.

We’ve temporarily taken our apps offline in response to two critical PHP security vulnerabilities. We’re taking this precaution while we apply and verify security updates. Our API remains available throughout.

Your monitoring keeps running.Your checks continue on their usual schedule, and alert notifications will still be sent when something needs your attention.

Still running

  • Your existing monitoring checks
  • Your configured alert notifications
  • API access

Temporarily offline

  • Apps, dashboards and account settings

What’s happening?

Two critical vulnerabilities in PHP, tracked as CVE-2026-109618 and CVE-2026-109619, have prompted this precautionary maintenance. PHP is part of the technology behind our apps.

The PHP team has announced a critical security release. We’re keeping our apps offline while we update the affected systems and complete our checks. Thank you for bearing with us while we do this.

When will the apps be back?

We expect our apps to be offline for the rest of today, 21 October. We’ll bring them back once the updates are installed and verified.